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A streamable, seekable, zoomable cache file format; Haskell library and tools.
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zoom-cache: A streamable, seekable, zoomable cache file format Goals: Writing * can be written to in streaming manner, with no backseeking Reading * can be read in one pass with no backseeking * can be seeked on time-wise * sections can be extracted * can be read at varying zoom levels Data * Support multiple data types (float/double, int, bool, char) * support multiple aggregation types for zooming (min/max, mean, rms, all/any, text summary) * Constant or variable bitrates streams Library * Simple stream writing interface * Simple stream reading interface * Read seek interface * Read set-zoom-level interface Tools * Verification * Info Data Streams and Summary Streams Interleaved streams * Sync points Index files * A documented way of generating time index files Exploded form * one file per stream